The following is a guest post written by my sister, Katy. On a recent trip to Portland she sent me numerous texts raging about Powell’s Books. Of course, I had to request a guest post on the store. Please enjoy her reflections on Powell’s.  *The following opinions are solely that of the author.   —————————————————————————————————————————————————– In December of 2011, I ordered some Christmas gifts from Barnes and Noble.  I cannot remember why I chose them over Amazon, but I do remember the result.  In spite of paying a fee for expedited shipping, the items did not arrive before Christmas, and Barnes and Noble refused to refund my shipping costs.  In…